public class Client{
    public static void main(String[] args){
        Email email,copyEmail;
        email=new Email();
        copyEmail=(Email)email.clone();
        System.out.println("email==copyEmail?");
        System.out.println(email==copyEmail);
        System.out.println("email.getAttachment==copyEmail.getAttachment?");
        System.out.println(email.getAttachment()==copyEmail.getAttachment());
    }
}